配電(dian)(dian)(dian)(dian)系(xi)(xi)統(tong)安裝(zhuang)防(fang)雷(lei)電(dian)(dian)(dian)(dian)保(bao)護的(de)必要(yao)(yao)性。當前(qian)隨(sui)著科(ke)技發展，電(dian)(dian)(dian)(dian)子產(chan)(chan)品(pin)種(zhong)(zhong)類(lei)越(yue)(yue)來越(yue)(yue)多(duo)，應用領域也越(yue)(yue)來越(yue)(yue)廣廣。但是這些電(dian)(dian)(dian)(dian)子產(chan)(chan)品(pin)耐沖(chong)擊電(dian)(dian)(dian)(dian)壓(ya)水平(ping)一(yi)般(ban)都低于(yu)低壓(ya)配電(dian)(dian)(dian)(dian)裝(zhuang)置。因此它們很容易(yi)受到(dao)電(dian)(dian)(dian)(dian)壓(ya)波(bo)動(dong)(dong)-即浪(lang)涌(yong)(yong)電(dian)(dian)(dian)(dian)壓(ya)-的(de)損害，所謂浪(lang)涌(yong)(yong)又稱瞬(shun)(shun)態(tai)過(guo)電(dian)(dian)(dian)(dian)壓(ya)，是在電(dian)(dian)(dian)(dian)路(lu)中(zhong)出現的(de)一(yi)種(zhong)(zhong)瞬(shun)(shun)時的(de)電(dian)(dian)(dian)(dian)壓(ya)波(bo)動(dong)(dong)，在電(dian)(dian)(dian)(dian)路(lu)中(zhong)通常(chang)可以持續(xu)約百萬分之(zhi)一(yi)秒，比如在雷(lei)電(dian)(dian)(dian)(dian)天氣(qi)中(zhong)，雷(lei)電(dian)(dian)(dian)(dian)脈沖(chong)可能會在電(dian)(dian)(dian)(dian)路(lu)中(zhong)產(chan)(chan)生(sheng)(sheng)電(dian)(dian)(dian)(dian)壓(ya)波(bo)動(dong)(dong)。220V電(dian)(dian)(dian)(dian)路(lu)系(xi)(xi)統(tong)中(zhong)會產(chan)(chan)生(sheng)(sheng)持續(xu)瞬(shun)(shun)間可達到(dao)5000或(huo)(huo)10000V的(de)電(dian)(dian)(dian)(dian)壓(ya)波(bo)動(dong)(dong)，也就是浪(lang)涌(yong)(yong)或(huo)(huo)者瞬(shun)(shun)態(tai)過(guo)電(dian)(dian)(dian)(dian)壓(ya)。我國的(de)雷(lei)電(dian)(dian)(dian)(dian)區較多(duo)，而(er)雷(lei)電(dian)(dian)(dian)(dian)又作(zuo)為在線路(lu)中(zhong)產(chan)(chan)生(sheng)(sheng)浪(lang)涌(yong)(yong)電(dian)(dian)(dian)(dian)壓(ya)的(de)一(yi)個重要(yao)(yao)因素，因此加強在低壓(ya)配電(dian)(dian)(dian)(dian)系(xi)(xi)統(tong)中(zhong)的(de)防(fang)雷(lei)電(dian)(dian)(dian)(dian)保(bao)護就顯得十(shi)分必要(yao)(yao)。浪(lang)涌(yong)(yong)保(bao)護器(qi)（簡稱SPD）是一(yi)種(zhong)(zhong)用于(yu)保(bao)護電(dian)(dian)(dian)(dian)子設備(bei)和系(xi)(xi)統(tong)免受浪(lang)涌(yong)(yong)電(dian)(dian)(dian)(dian)壓(ya)和電(dian)(dian)(dian)(dian)流影響(xiang)的(de)裝(zhuang)置。廣東信號浪(lang)涌(yong)(yong)保(bao)護器(qi)開關

在(zai)選(xuan)擇浪(lang)(lang)涌(yong)(yong)(yong)(yong)保(bao)(bao)(bao)護(hu)(hu)器(qi)(qi)(qi)(qi)(qi)時(shi)(shi)，需(xu)要(yao)考(kao)慮以下幾個(ge)因(yin)素：保(bao)(bao)(bao)護(hu)(hu)對(dui)象：不同的保(bao)(bao)(bao)護(hu)(hu)對(dui)象需(xu)要(yao)選(xuan)擇不同類型(xing)的浪(lang)(lang)涌(yong)(yong)(yong)(yong)保(bao)(bao)(bao)護(hu)(hu)器(qi)(qi)(qi)(qi)(qi)。工作(zuo)電(dian)(dian)(dian)(dian)壓：浪(lang)(lang)涌(yong)(yong)(yong)(yong)保(bao)(bao)(bao)護(hu)(hu)器(qi)(qi)(qi)(qi)(qi)的工作(zuo)電(dian)(dian)(dian)(dian)壓應(ying)該(gai)(gai)與(yu)被保(bao)(bao)(bao)護(hu)(hu)設(she)備(bei)(bei)的工作(zuo)電(dian)(dian)(dian)(dian)壓相匹配。Z大浪(lang)(lang)涌(yong)(yong)(yong)(yong)電(dian)(dian)(dian)(dian)流(liu)：浪(lang)(lang)涌(yong)(yong)(yong)(yong)保(bao)(bao)(bao)護(hu)(hu)器(qi)(qi)(qi)(qi)(qi)應(ying)該(gai)(gai)能夠承受Z大的浪(lang)(lang)涌(yong)(yong)(yong)(yong)電(dian)(dian)(dian)(dian)流(liu)，以保(bao)(bao)(bao)證(zheng)被保(bao)(bao)(bao)護(hu)(hu)設(she)備(bei)(bei)的安全。響應(ying)時(shi)(shi)間(jian)(jian)：浪(lang)(lang)涌(yong)(yong)(yong)(yong)保(bao)(bao)(bao)護(hu)(hu)器(qi)(qi)(qi)(qi)(qi)的響應(ying)時(shi)(shi)間(jian)(jian)應(ying)該(gai)(gai)越(yue)短越(yue)好，以保(bao)(bao)(bao)證(zheng)被保(bao)(bao)(bao)護(hu)(hu)設(she)備(bei)(bei)在(zai)浪(lang)(lang)涌(yong)(yong)(yong)(yong)電(dian)(dian)(dian)(dian)壓和(he)電(dian)(dian)(dian)(dian)流(liu)到(dao)達(da)時(shi)(shi)能夠及時(shi)(shi)得到(dao)保(bao)(bao)(bao)護(hu)(hu)。安裝(zhuang)方式：浪(lang)(lang)涌(yong)(yong)(yong)(yong)保(bao)(bao)(bao)護(hu)(hu)器(qi)(qi)(qi)(qi)(qi)的安裝(zhuang)方式應(ying)該(gai)(gai)與(yu)被保(bao)(bao)(bao)護(hu)(hu)設(she)備(bei)(bei)的安裝(zhuang)方式相匹配，以保(bao)(bao)(bao)證(zheng)浪(lang)(lang)涌(yong)(yong)(yong)(yong)保(bao)(bao)(bao)護(hu)(hu)器(qi)(qi)(qi)(qi)(qi)能夠有效(xiao)(xiao)地保(bao)(bao)(bao)護(hu)(hu)被保(bao)(bao)(bao)護(hu)(hu)設(she)備(bei)(bei)。總之(zhi)，選(xuan)擇合適的浪(lang)(lang)涌(yong)(yong)(yong)(yong)保(bao)(bao)(bao)護(hu)(hu)器(qi)(qi)(qi)(qi)(qi)對(dui)于保(bao)(bao)(bao)護(hu)(hu)電(dian)(dian)(dian)(dian)子設(she)備(bei)(bei)免受浪(lang)(lang)涌(yong)(yong)(yong)(yong)電(dian)(dian)(dian)(dian)壓和(he)電(dian)(dian)(dian)(dian)流(liu)的損害(hai)非常重要(yao)。在(zai)選(xuan)擇浪(lang)(lang)涌(yong)(yong)(yong)(yong)保(bao)(bao)(bao)護(hu)(hu)器(qi)(qi)(qi)(qi)(qi)時(shi)(shi)，需(xu)要(yao)綜(zong)合考(kao)慮多個(ge)因(yin)素，以確保(bao)(bao)(bao)浪(lang)(lang)涌(yong)(yong)(yong)(yong)保(bao)(bao)(bao)護(hu)(hu)器(qi)(qi)(qi)(qi)(qi)能夠有效(xiao)(xiao)地保(bao)(bao)(bao)護(hu)(hu)被保(bao)(bao)(bao)護(hu)(hu)設(she)備(bei)(bei)。海南三級浪(lang)(lang)涌(yong)(yong)(yong)(yong)保(bao)(bao)(bao)護(hu)(hu)器(qi)(qi)(qi)(qi)(qi)選(xuan)型(xing)浪(lang)(lang)涌(yong)(yong)(yong)(yong)保(bao)(bao)(bao)護(hu)(hu)器(qi)(qi)(qi)(qi)(qi)的作(zuo)用是在(zai)浪(lang)(lang)涌(yong)(yong)(yong)(yong)電(dian)(dian)(dian)(dian)流(liu)通過時(shi)(shi)，將(jiang)過大的電(dian)(dian)(dian)(dian)流(liu)分流(liu)到(dao)地面或(huo)保(bao)(bao)(bao)護(hu)(hu)裝(zhuang)置中，防止浪(lang)(lang)涌(yong)(yong)(yong)(yong)電(dian)(dian)(dian)(dian)流(liu)對(dui)設(she)備(bei)(bei)造成損害(hai)。

根據浪(lang)(lang)(lang)(lang)涌(yong)(yong)(yong)(yong)保(bao)(bao)(bao)護(hu)(hu)(hu)(hu)器(qi)的工作原理和結構特點(dian)，可以將(jiang)其(qi)分為(wei)以下幾類(lei)：TVS二(er)(er)(er)極(ji)管(guan)(guan)浪(lang)(lang)(lang)(lang)涌(yong)(yong)(yong)(yong)保(bao)(bao)(bao)護(hu)(hu)(hu)(hu)器(qi)TVS二(er)(er)(er)極(ji)管(guan)(guan)浪(lang)(lang)(lang)(lang)涌(yong)(yong)(yong)(yong)保(bao)(bao)(bao)護(hu)(hu)(hu)(hu)器(qi)是一種(zhong)使(shi)(shi)用(yong)TVS二(er)(er)(er)極(ji)管(guan)(guan)作為(wei)保(bao)(bao)(bao)護(hu)(hu)(hu)(hu)元(yuan)件的浪(lang)(lang)(lang)(lang)涌(yong)(yong)(yong)(yong)保(bao)(bao)(bao)護(hu)(hu)(hu)(hu)器(qi)。TVS二(er)(er)(er)極(ji)管(guan)(guan)是一種(zhong)特殊的二(er)(er)(er)極(ji)管(guan)(guan)，它能(neng)夠在電(dian)路中突然出(chu)現的高(gao)電(dian)壓(ya)(ya)脈沖時(shi)，迅(xun)(xun)速(su)(su)(su)(su)變成一個低電(dian)阻狀(zhuang)態，從而將(jiang)電(dian)壓(ya)(ya)降低到(dao)安全范圍內。TVS二(er)(er)(er)極(ji)管(guan)(guan)浪(lang)(lang)(lang)(lang)涌(yong)(yong)(yong)(yong)保(bao)(bao)(bao)護(hu)(hu)(hu)(hu)器(qi)具(ju)有響(xiang)應速(su)(su)(su)(su)度快(kuai)(kuai)、體積小(xiao)、價格低廉(lian)等優(you)點(dian)，被(bei)(bei)廣泛應用(yong)于電(dian)子設(she)備(bei)(bei)的浪(lang)(lang)(lang)(lang)涌(yong)(yong)(yong)(yong)保(bao)(bao)(bao)護(hu)(hu)(hu)(hu)中。瞬(shun)態電(dian)壓(ya)(ya)抑(yi)制(zhi)器(qi)浪(lang)(lang)(lang)(lang)涌(yong)(yong)(yong)(yong)保(bao)(bao)(bao)護(hu)(hu)(hu)(hu)器(qi)瞬(shun)態電(dian)壓(ya)(ya)抑(yi)制(zhi)器(qi)浪(lang)(lang)(lang)(lang)涌(yong)(yong)(yong)(yong)保(bao)(bao)(bao)護(hu)(hu)(hu)(hu)器(qi)是一種(zhong)使(shi)(shi)用(yong)瞬(shun)態電(dian)壓(ya)(ya)抑(yi)制(zhi)器(qi)作為(wei)保(bao)(bao)(bao)護(hu)(hu)(hu)(hu)元(yuan)件的浪(lang)(lang)(lang)(lang)涌(yong)(yong)(yong)(yong)保(bao)(bao)(bao)護(hu)(hu)(hu)(hu)器(qi)。瞬(shun)態電(dian)壓(ya)(ya)抑(yi)制(zhi)器(qi)是一種(zhong)特殊的電(dian)路元(yuan)件，它能(neng)夠在電(dian)路中突然出(chu)現的高(gao)電(dian)壓(ya)(ya)脈沖時(shi)，迅(xun)(xun)速(su)(su)(su)(su)將(jiang)電(dian)壓(ya)(ya)降低到(dao)安全范圍內。瞬(shun)態電(dian)壓(ya)(ya)抑(yi)制(zhi)器(qi)浪(lang)(lang)(lang)(lang)涌(yong)(yong)(yong)(yong)保(bao)(bao)(bao)護(hu)(hu)(hu)(hu)器(qi)具(ju)有響(xiang)應速(su)(su)(su)(su)度快(kuai)(kuai)、壽命長、抗干(gan)擾能(neng)力強等優(you)點(dian)，被(bei)(bei)廣泛應用(yong)于電(dian)子設(she)備(bei)(bei)的浪(lang)(lang)(lang)(lang)涌(yong)(yong)(yong)(yong)保(bao)(bao)(bao)護(hu)(hu)(hu)(hu)中。

浪(lang)涌(yong)保護器(qi)（SPD）的(de)(de)(de)分(fen)類及(ji)(ji)工作原理。按照浪(lang)涌(yong)保護器(qi)的(de)(de)(de)功能劃分(fen)，可分(fen)為電(dian)(dian)源(yuan)SPD、信號SPD以(yi)及(ji)(ji)天饋SPD，以(yi)下內容著重介紹的(de)(de)(de)是電(dian)(dian)源(yuan)浪(lang)涌(yong)保護器(qi)。電(dian)(dian)源(yuan)SPD主要有(you)電(dian)(dian)壓(ya)(ya)(ya)(ya)開關(guan)型(xing)SPD、電(dian)(dian)壓(ya)(ya)(ya)(ya)限(xian)制型(xing)SPD和復合型(xing)SPD三(san)種(zhong)。01開關(guan)型(xing)SPD沒有(you)電(dian)(dian)涌(yong)時(shi)具有(you)高阻抗，有(you)電(dian)(dian)涌(yong)電(dian)(dian)壓(ya)(ya)(ya)(ya)時(shi)能立即轉變成低阻抗的(de)(de)(de)SPD。其常用元(yuan)(yuan)件(jian)(jian)(jian)有(you)放(fang)電(dian)(dian)間隙、氣體放(fang)電(dian)(dian)管(guan)(guan)和三(san)端雙向晶閘管(guan)(guan)開關(guan)元(yuan)(yuan)件(jian)(jian)(jian)，具有(you)不(bu)連續(xu)的(de)(de)(de)電(dian)(dian)壓(ya)(ya)(ya)(ya)/電(dian)(dian)流特(te)性(xing)。02限(xian)壓(ya)(ya)(ya)(ya)型(xing)SPD沒有(you)電(dian)(dian)涌(yong)時(shi)具有(you)高阻抗，但是隨著電(dian)(dian)涌(yong)電(dian)(dian)流和電(dian)(dian)壓(ya)(ya)(ya)(ya)的(de)(de)(de)上(shang)升，其阻抗將(jiang)持續(xu)地減(jian)小的(de)(de)(de)SPD。常用的(de)(de)(de)非線(xian)性(xing)元(yuan)(yuan)件(jian)(jian)(jian)有(you)：壓(ya)(ya)(ya)(ya)敏(min)電(dian)(dian)阻和抑制二極管(guan)(guan)，具有(you)連續(xu)的(de)(de)(de)電(dian)(dian)壓(ya)(ya)(ya)(ya)/電(dian)(dian)流特(te)性(xing)。03復合型(xing)SPD由(you)電(dian)(dian)壓(ya)(ya)(ya)(ya)開關(guan)型(xing)元(yuan)(yuan)件(jian)(jian)(jian)和電(dian)(dian)壓(ya)(ya)(ya)(ya)限(xian)制型(xing)元(yuan)(yuan)件(jian)(jian)(jian)組(zu)成的(de)(de)(de)SPD。其特(te)性(xing)隨所加電(dian)(dian)壓(ya)(ya)(ya)(ya)的(de)(de)(de)特(te)性(xing)可以(yi)表(biao)現為開關(guan)型(xing)、限(xian)壓(ya)(ya)(ya)(ya)型(xing)或兩者皆有(you)。浪(lang)涌(yong)保護器(qi)的(de)(de)(de)挑(tiao)選(xuan)方(fang)法。

避(bi)(bi)(bi)雷(lei)器(qi)(qi)(qi)(qi)(qi)和電(dian)(dian)涌(yong)保(bao)(bao)護器(qi)(qi)(qi)(qi)(qi)的(de)(de)區別。1、適用的(de)(de)電(dian)(dian)壓(ya)(ya)(ya)等級不(bu)同。避(bi)(bi)(bi)雷(lei)器(qi)(qi)(qi)(qi)(qi)：避(bi)(bi)(bi)雷(lei)器(qi)(qi)(qi)(qi)(qi)有(you)(you)多個電(dian)(dian)壓(ya)(ya)(ya)等級，從0.38KV低(di)壓(ya)(ya)(ya)到500KV特高壓(ya)(ya)(ya)均有(you)(you)；浪(lang)涌(yong)保(bao)(bao)護器(qi)(qi)(qi)(qi)(qi)：浪(lang)涌(yong)保(bao)(bao)護器(qi)(qi)(qi)(qi)(qi)有(you)(you)從交流1000V和直流1500V以下的(de)(de)多個電(dian)(dian)壓(ya)(ya)(ya)等級的(de)(de)低(di)壓(ya)(ya)(ya)產品。2、安(an)(an)裝(zhuang)(zhuang)的(de)(de)系(xi)(xi)統(tong)(tong)(tong)不(bu)同。避(bi)(bi)(bi)雷(lei)器(qi)(qi)(qi)(qi)(qi)：多安(an)(an)裝(zhuang)(zhuang)在一(yi)(yi)次系(xi)(xi)統(tong)(tong)(tong)上，防(fang)止雷(lei)電(dian)(dian)波的(de)(de)直接(jie)(jie)(jie)侵(qin)入；浪(lang)涌(yong)保(bao)(bao)護器(qi)(qi)(qi)(qi)(qi)：安(an)(an)裝(zhuang)(zhuang)在二次系(xi)(xi)統(tong)(tong)(tong)上，是在避(bi)(bi)(bi)雷(lei)器(qi)(qi)(qi)(qi)(qi)消(xiao)除(chu)了雷(lei)電(dian)(dian)波的(de)(de)直接(jie)(jie)(jie)侵(qin)入后，或避(bi)(bi)(bi)雷(lei)器(qi)(qi)(qi)(qi)(qi)沒有(you)(you)將雷(lei)電(dian)(dian)波消(xiao)除(chu)干(gan)凈時(shi)的(de)(de)補充措施。3、安(an)(an)裝(zhuang)(zhuang)的(de)(de)位置不(bu)同。避(bi)(bi)(bi)雷(lei)器(qi)(qi)(qi)(qi)(qi)：一(yi)(yi)般安(an)(an)裝(zhuang)(zhuang)在變壓(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)前高壓(ya)(ya)(ya)柜處(chu)(常(chang)安(an)(an)裝(zhuang)(zhuang)在高壓(ya)(ya)(ya)配(pei)電(dian)(dian)柜的(de)(de)進線回路或出線回路，即(ji)變壓(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)前)；浪(lang)涌(yong)保(bao)(bao)護器(qi)(qi)(qi)(qi)(qi)：SPD安(an)(an)裝(zhuang)(zhuang)在變壓(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)后低(di)壓(ya)(ya)(ya)配(pei)電(dian)(dian)柜中（常(chang)安(an)(an)裝(zhuang)(zhuang)在低(di)壓(ya)(ya)(ya)配(pei)電(dian)(dian)柜進線處(chu)，即(ji)變壓(ya)(ya)(ya)器(qi)(qi)(qi)(qi)(qi)出線處(chu))。4、外(wai)觀(guan)和尺(chi)(chi)寸(cun)不(bu)同。避(bi)(bi)(bi)雷(lei)器(qi)(qi)(qi)(qi)(qi)：由于接(jie)(jie)(jie)在電(dian)(dian)氣一(yi)(yi)次系(xi)(xi)統(tong)(tong)(tong)上，要有(you)(you)足夠的(de)(de)外(wai)絕(jue)緣性能，外(wai)觀(guan)尺(chi)(chi)寸(cun)比較大；浪(lang)涌(yong)保(bao)(bao)護器(qi)(qi)(qi)(qi)(qi)：由于接(jie)(jie)(jie)在低(di)壓(ya)(ya)(ya)系(xi)(xi)統(tong)(tong)(tong)上，尺(chi)(chi)寸(cun)可以很小。5、接(jie)(jie)(jie)地方式不(bu)同。避(bi)(bi)(bi)雷(lei)器(qi)(qi)(qi)(qi)(qi)：一(yi)(yi)般直接(jie)(jie)(jie)接(jie)(jie)(jie)地的(de)(de)接(jie)(jie)(jie)地方式；浪(lang)涌(yong)保(bao)(bao)護器(qi)(qi)(qi)(qi)(qi)：SPD則(ze)是接(jie)(jie)(jie)至(zhi)PE線。電(dian)(dian)源一(yi)(yi)級浪(lang)涌(yong)保(bao)(bao)護器(qi)(qi)(qi)(qi)(qi)的(de)(de)功(gong)能。海南防(fang)爆浪(lang)涌(yong)保(bao)(bao)護器(qi)(qi)(qi)(qi)(qi)選型標(biao)準

選擇合適的(de)浪(lang)涌(yong)保護(hu)器對于(yu)保護(hu)電子(zi)設(she)備和系統非(fei)常重(zhong)要。廣東信號(hao)浪(lang)涌(yong)保護(hu)器開關(guan)

開(kai)關(guan)型(xing)浪(lang)(lang)涌(yong)(yong)(yong)保(bao)(bao)(bao)護(hu)(hu)(hu)器(qi)(qi)和限壓(ya)(ya)型(xing)浪(lang)(lang)涌(yong)(yong)(yong)保(bao)(bao)(bao)護(hu)(hu)(hu)器(qi)(qi)的(de)區別(bie):開(kai)關(guan)型(xing)浪(lang)(lang)涌(yong)(yong)(yong)保(bao)(bao)(bao)護(hu)(hu)(hu)器(qi)(qi)為(wei)間隙放(fang)電(dian)(dian)型(xing)器(qi)(qi)件，其雷電(dian)(dian)能(neng)(neng)量瀉放(fang)能(neng)(neng)力(li)大(da)，在線(xian)路(lu)上使(shi)用(yong)的(de)主(zhu)要(yao)作(zuo)用(yong)是泄放(fang)雷電(dian)(dian)能(neng)(neng)量；限壓(ya)(ya)型(xing)浪(lang)(lang)涌(yong)(yong)(yong)保(bao)(bao)(bao)護(hu)(hu)(hu)器(qi)(qi)為(wei)氧化鋅壓(ya)(ya)敏電(dian)(dian)阻器(qi)(qi)件，其雷電(dian)(dian)能(neng)(neng)量瀉放(fang)能(neng)(neng)力(li)小，但其過電(dian)(dian)壓(ya)(ya)抑制能(neng)(neng)力(li)好(hao)，在線(xian)路(lu)上使(shi)用(yong)的(de)主(zhu)要(yao)作(zuo)是限制過電(dian)(dian)壓(ya)(ya)。因(yin)為(wei)此(ci)，一般在建筑物入(ru)口(kou)處選用(yong)如Asafe系列(lie)的(de)開(kai)關(guan)型(xing)浪(lang)(lang)涌(yong)(yong)(yong)保(bao)(bao)(bao)護(hu)(hu)(hu)來(lai)泄放(fang)雷電(dian)(dian)能(neng)(neng)量，然(ran)后(hou)(hou)，在后(hou)(hou)級電(dian)(dian)路(lu)使(shi)用(yong)如AM系列(lie)的(de)限壓(ya)(ya)型(xing)浪(lang)(lang)涌(yong)(yong)(yong)保(bao)(bao)(bao)護(hu)(hu)(hu)器(qi)(qi)來(lai)限制因(yin)前級雷電(dian)(dian)能(neng)(neng)量瀉放(fang)后(hou)(hou)，在后(hou)(hou)級線(xian)路(lu)產生(sheng)的(de)高(gao)過電(dian)(dian)壓(ya)(ya)。兩種浪(lang)(lang)涌(yong)(yong)(yong)保(bao)(bao)(bao)護(hu)(hu)(hu)器(qi)(qi)需配合使(shi)用(yong)，方能(neng)(neng)保(bao)(bao)(bao)證配電(dian)(dian)線(xian)路(lu)中(zhong)設備的(de)安全(quan)。廣東信號(hao)浪(lang)(lang)涌(yong)(yong)(yong)保(bao)(bao)(bao)護(hu)(hu)(hu)器(qi)(qi)開(kai)關(guan)

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